Discrepancy (algebraic geometry)
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In algebraic geometry, given a pair (X, D) consisting of a normal variety X and a [math]\displaystyle{ \mathbb{Q} }[/math]-divisor D on X (e.g., canonical divisor), the discrepancy of the pair (X, D) measures the degree of the singularity of the pair.
See also
References
- Kollár, János; Mori, Shigefumi (1998), Birational geometry of algebraic varieties, Cambridge Tracts in Mathematics, 134, Cambridge University Press, ISBN 978-0-521-63277-5
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